package com.studyjava.basic;
/**
 * @author cutecuteyu
 * @since 16
 * @version 1.0
 * @param None
 * @return None
 * @throws None
 * */
// /**加回车写文档注释
public class 变量使用 {
    public static void main(String[] args) {
        String a = "aaaaaa";
        int b = 10;
        byte c = 0x20;
        byte d = (byte) b;
        //强制类型转换
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
        System.out.println(d);

    }
}
//Compact Middle Packages 创建包

